MC145481SDR2 Freescale Semiconductor, MC145481SDR2 Datasheet - Page 20

• Manufacturer Part Number: MC145481SDR2
• Description: IC CODEC-FILTER PCM 3V 20-SSOP
• Manufacturer: Freescale Semiconductor
• Type: PCM Codec/Filterr

Specifications of MC145481SDR2

• Data Interface: PCM Audio Interface
• Resolution (bits): 6 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• Voltage - Supply, Digital: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MC145481SDR2TR

20
REC
+ 3 V
0.1
F
0.1
F
2.048 MHz
SIDETONE
8 kHz
V CC
GND
+ 5 V
Figure 9. Long Frame Sync Clock Circuit for 2.048 MHz
Freescale Semiconductor, Inc.
J
K
GND
Figure 10. MC145481 Analog Interface to Handset
1/2 MC74HC73
For More Information On This Product,
256
Q8
V CC
18 pF
R
+ 5 V
10
0.1
1
2
3
4
5
6
7
8
9
R
1
F
V AG Ref
RO-
PI
PO-
PO+
V DD
FSR
DR
BCLKR
PDI
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Q
Q
MC74HC4060
OSC IN
2
Q4
2.048 MHz
10 M
3
OUT 1
OSC
BCLKT
MCLK
Mu/A
V AG
V SS
0.01
FST
J
K
TI+
TI-
TG
300
DT
1/2 MC74HC73
4
OUT 2
OSC
F
20
19
18
17
16
15
14
13
12
11
R
+ 5 V
18 pF
+ 3 V
5
Q
Q
420 pF
75 k
75 k
420 pF
6
7
2.048 MHz
(BCLKT, BCLKR, MCLK)
8 kHz
(FST, FSR)
8
1 k
1 k
68
F
9
1.0
1.0
8 kHz
PCM OUT
2.048 MHz
PCM IN
F
F
+ 3 V
1 k
1 k
MIC